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Statistics and coherent structures in turbulent convection =: 對流湍流中統計及相干結構的硏究. / 對流湍流中統計及相干結構的硏究 / Statistics and coherent structures in turbulent convection =: Dui liu tuan liu zhong tong ji ji xiang gan jie gou de yan jiu. / Dui liu tuan liu zhong tong ji ji xiang gan jie gou de yan jiu

by Ma Kin Lok. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1998. / Includes bibliographical references (leaves 93-95). / Text in English; abstract also in Chinese. / by Ma Kin Lok. / Acknowledgements --- p.i / Abstract --- p.ii / Abstract (Chinese version) --- p.iv / Contents --- p.v / List of Figures --- p.vii / List of Tables --- p.ix / Chapter Chapter 1. --- Introduction --- p.1 / Chapter Chapter 2. --- Experimental setups and Coherent structures --- p.10 / Chapter 2.1 --- Experimental setup for turbulent convection using helium --- p.10 / Chapter 2.2 --- Experimental setup for turbulent convection using water --- p.12 / Chapter 2.3 --- Coherent structures in turbulent convection --- p.13 / Chapter Chapter 3. --- Statistics in turbulent convection --- p.16 / Chapter 3.1 --- Statistics versus Rayleigh number and height --- p.16 / Chapter 3.1.1 --- Time series of normalized temperature fluctuations --- p.17 / Chapter 3.1.2 --- PDF of normalized temperature fluctuations --- p.18 / Chapter 3.1.3 --- q(x) and r(x) --- p.21 / Chapter 3.2 --- Statistics versus height --- p.25 / Chapter 3.2.1 --- Time series of normalized temperature fluctuations --- p.25 / Chapter 3.2.2 --- PDF of normalized temperature fluctuations --- p.28 / Chapter 3.2.3 --- Skewness and flatness of normalized temperature fluctuations --- p.32 / Chapter 3.2.4 --- q(x) and r(x) --- p.33 / Chapter Chapter 4. --- Decomposition of the helium data --- p.40 / Chapter 4.1 --- Method of study for decomposition --- p.41 / Chapter 4.2 --- Effects of the decomposition on P(x) --- p.44 / Chapter 4.3 --- Modeling of coherent structures by average peaks --- p.46 / Chapter 4.4 --- The two conditional averages of the average peaks --- p.52 / Chapter 4.5 --- Effects of the peaks on PDF --- p.57 / Chapter Chapter 5. --- Statistics of Temperature Dissipation Rate --- p.62 / Chapter 5.1 --- She and Leveque's model for energy dissipation rate --- p.62 / Chapter 5.2 --- Limits of moments of temperature dissipation rate --- p.66 / Chapter 5.3 --- Scaling of moments of temperature dissipation rate --- p.68 / Chapter Chapter 6. --- Conclusions --- p.37 / Appendix A. The relation between Nu and λth --- p.89 / Appendix B. The algorithm of filtering the peaks --- p.90 / Appendix C. Effect of normalization on the conditional averages --- p.91 / Bibliography --- p.93

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_322257
Date January 1998
ContributorsMa, Kin Lok., Chinese University of Hong Kong Graduate School. Division of Physics.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, ix, 95 leaves : ill. ; 30 cm.
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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